The number of calories burned during an hour of light home exercise can vary depending on various factors, including your weight, intensity of the exercises, and individual metabolism. Here are some estimates for the approximate calorie burn during light home exercises for an average-weight individual (around 155 pounds or 70 kilograms):

1. Stretching or gentle yoga: Approximately 180-220 calories per hour.
2. Pilates: Around 240-290 calories per hour.
3. Tai Chi: Roughly 240-300 calories per hour.
4. Low-impact aerobics: Approximately 280-330 calories per hour.
5. Household chores (cleaning, gardening): Around 200-300 calories per hour.
6. Light walking indoors: Roughly 230-280 calories per hour.
7. Dancing: Depending on the intensity and style, it can range from 200-400 calories per hour.

These numbers are estimates and can vary depending on individual factors. Keep in mind that higher-intensity workouts or exercises that involve more muscle groups and cardiovascular effort tend to burn more calories.

If you want a more accurate estimate for your specific situation, you can use online calculators or fitness trackers that take into account your weight, exercise duration, and intensity level to provide a personalized calorie burn estimate.